Korben Dallas is the former special forces operative turned flying cab driver at the center of Luc Besson's The Fifth Element from 1997, played by Bruce Willis. The film became a cult sci-fi favorite for its colorful future New York and offbeat humor, keeping Willis's deadpan lines in circulation for decades. Short greetings like this hello get clipped for edits because they are instantly recognizable without needing context. Creators use it as a cool, low-effort way to nod to the movie while opening a scene.